Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881094 | Lens interchange type single-lens reflex camera system and intermediate barrel therefor | Nobuhiko Terui, Yosuke Kusaka, Nobuaki Sasagaki | 1989-11-14 |
| 4806000 | Zoom lens capable of macro photography | Naoto Ohta, Hiroshi Okano, Kiyotaka Inadome | 1989-02-21 |
| 4796045 | Photo-taking lens assembly having an automatically and manually movable lens | Yoshinari Hamanishi, Hitoshi Imanari, Sachio Ohmori | 1989-01-03 |